What role(s) do gap phases play in the cell cycle? see section 12.1 ( page 255) ?

Enable cells to imitate organelles and produce extra cytoplasm. The cell cycle or cell-division cycle is the arrangement of occasions that occur in a cell prompting its division and duplication of its (DNA replication) to deliver two girl cells. In microscopic organisms, which do not have a cell core, the cell cycle is separated into the B, C, and D periods.

receptor molecules.

Explanation:

Receptor molecules are the glycoproteins that binds specifically to a hormone or nerve signal and bring change in the cell activity and function.

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